Perihelion and aphelion
Perihelion and aphelion
-1
Section::::Terminology.:Terminology summary.

Apsis
88213
Perihelion
Perihelion
-1
Section::::Terminology.:Terminology summary.

Apsis
88213
Aphelion
APHELION
Aphelion and perihelion
perihelion and aphelion
perihelion
aphelion and perihelion
aphelion